INotificationContext not showing message

Summary:

Content (required):

Hello,

I'm triying to use the INotificationContext for the BUI usage, but the message is not showing

Please see below error and code

Code Snippet (add any code snippets that support your topic, if applicable):

ORACLE_SERVICE_CLOUD.extension_loader.load("CUSTOM_APP_ID", "1").then(function(IExtensionProvider) {

IExtensionProvider.registerUserInterfaceExtension(function(IUserInterfaceContext) {

IUserInterfaceContext.getNotificationContext().then(function(INotificationContext) {

var notificationConfig = INotificationContext.createNotificationConfig();

notificationConfig.setMessage('Notification Text goes here');

notificationConfig.setDuration(10);

INotificationContext.showNotification(notificationConfig);

console.log(notificationConfig);

});

});

});